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C18670
| Elements | ||
|---|---|---|
| Cu(1,2) | Mg | |
|
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. |
||
| Min (%) | 1.2 | |
| Max (%) | Rem | 1.9 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Vickers Hardness, 3000 gm |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Strip | 1/2 Hard | H02 |
70.3 Min 78.7 Typ 84.8 Max |
73.5 Typ |
11 Typ |
178 Typ |
| Hard | H04 |
76.9 Min 86.0 Typ 91.4 Max |
78.7 Typ |
9 Typ |
193 Typ |
|
| Extra Hard | H06 |
83.4 Min 90.1 Typ 97.9 Max |
84.8 Typ |
7 Typ |
203 Typ |
|
| Spring | H08 |
89.9 Min 98.2 Typ 10.4 Max |
92.2 Typ |
7 Typ |
219 Typ |
|
| Melting Point - Liquidus°F | 1904 |
|---|---|
| Melting Point - Solidus°F | 1715 |
| Densitylb/cu in. at 68°F | 0.31 |
| Specific Gravity | 8.5 |
| Electrical Conductivity% IACS at 68°F | 43 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 101 |
| Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 10.5 |
| Modulus of Elasticity in Tensionksi | 16700 |
| Modulus of Rigidityksi | 5640 |
| Poisson's Ratio | 0.348 |
| Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Fair |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Good |
| Spot Weld | Fair |
| Seam Weld | Fair |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Good |
| Forgeability Rating | 65 |
| Machinability Rating | 20 |
Common Fabrication Processes
No fabrication process properties for this alloy
Thermal Properties
No thermal properties for this alloy
Typical Uses
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Applicable Specifications
No applicable specifications for this alloy
Corrosion Properties
No Corrosion Properties Available.